65234816 has 16 divisors (see below), whose sum is σ = 129960240. Its totient is φ = 32617344.

The previous prime is 65234791. The next prime is 65234837. The reversal of 65234816 is 61843256.

65234816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254696 + ... + 254951.

It is an arithmetic number, because the mean of its divisors is an integer number (8122515).

Almost surely, 2^65234816 is an apocalyptic number.

It is an amenable number.

65234816 is a deficient number, since it is larger than the sum of its proper divisors (64725424).

65234816 is an equidigital number, since it uses as much as digits as its factorization.

65234816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509661 (or 509649 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 65234816 is about 8076.8072900126. The cubic root of 65234816 is about 402.5561636067.

Subtracting from 65234816 its product of digits (34560), we obtain a palindrome (65200256).

The spelling of 65234816 in words is "sixty-five million, two hundred thirty-four thousand, eight hundred sixteen".